Sextant
At 100ft, the horizon is approx 12 miles away.
Establish a horizon line and a vanishing point
Not sure about the horizon number line but the horizontal line is sometimes called the x-axis.
vertical
Horrizontal.
yes
The celestial equator ties our planet to constellations. Humans perceive the horizon from the ground, so it appears curved to our naked eye.
The horizon is the great circle on the sky midway between the celestial poles.
Altitude is the angle measured above the horizon.
Sextant, instrument for determining the angle between the horizon and a celestial body such as the Sun, the Moon, or a star, used in celestial navigation to determine latitude and longitude. ... The angular distance of the star above the horizon is then read from the graduated arc of the sextant
At 45 degrees north latitude, the north celestial pole appears 45 degrees above the northern horizon. At 45 degrees south latitude, the south celestial pole appears 45 degrees above the southern horizon.
If you are standing at the north or south pole, then the celestial equator coincides with your horizon. At other latitudes, half of the celestial equator is above the horizon, and half is below it.
up your asskol
At the equator, the celestial north pole would be north, just at the horizon. In the southern hemisphere, for instance in Australia, the north celestial pole would be north, and as many degrees BELOW the horizon as your latitude. For instance, if you are 10 degrees south of the equator, the celestial north pole would be 10 degrees below the equator.On the other hand, for people in the southern hemisphere, the celestial SOUTH pole would be ABOVE the horizon; this same pole is below the horizon for anybody in the northern hemisphere.
If your latitude is 39 degrees north, then the north celestial poleis 39 degrees above your northern horizon.If your latitude is 39 degrees south, then the north celestial poleis 39 degrees below your northern horizon.
Yes. For any point on Earth that is north of the equator, the north celestial pole is above the horizon.
Altitude is the angle measured above the horizon.